Spectrometric photomultiplier tube PMT-183, PMT-183-1

PMT-183, PMT-183-1 has multialkali photo-cathode of S20 type, electron electrostatic focusing system, 12-dynode multiplication system of venetian blind type. The devices are intended for photometry and spectrometry of low illumination, γ-radiation detection by scintillation method. The devices could be used in ecology, biophysics, medicine, geology, geophysics, nuclear physics, high energy physics, etc.

Construction design

PMT-183, PMT-183-1 are produced in a glass balloon with head-on optical input and with rigid leads. Input window is made of boron-silicate glass C50-3 or C52-2.


Spectrometric photomultiplier tube PMT-183, PMT-183-1


  PMT-183 PMT-183-1
Photocathode diameter, mm 72 72
Device diameter, mm 80 80
Length, mm 125 125
Supply voltage, V 1600 1600
Spectral response, nm 300 ÷ 850 300 ÷ 850
Maximum spectral response, nm 370 ÷ 430 370 ÷ 430
Photocathode luminous sensitivity, μA/lm 100 100
Photocathode radiant sensitivity at λ=(410±10) nm, μA/W 70 60
Anode luminous sensitivity, A/lm 10 10
Pulse rise time, ns 8 8
Pulse height resolution, % on Nal(Tl)137Cs 7,6 8,5
on Nal(Tl)57Co 11 12
Dark current, nA ≤50 ≤50
Temperature range, ºC -60 ÷ +70 -60 ÷ +70
Anode current, A 5·10-4 5·10-4
Self-noise energy equivalent, keV ≤1,5 ≤1,5


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